Home / 118,109.26-177,105.48-51,520.60

Finding the Fourth Proportional to 118,109.26, 177,105.48 and 51,520.60

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Solution

The fourth proportional to 118,109.26, 177,105.48 and 51,520.60 is: 77,255.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,109.26 : 177,105.48 = 51,520.60 : x
  2. Step 2: Convert to fraction form
    118,109.26/177,105.48 = 51,520.60/x
  3. Step 3: Cross multiply
    118,109.26x = 177,105.48 × 51,520.60
  4. Step 4: Simplify right side
    118,109.26x = 9,124,580,592.89
  5. Step 5: Solve for x
    x = 9,124,580,592.89/118,109.26
  6. Step 6: Final answer
    x = 77,255.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.